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258P/PANSTARRS
Classification: Jupiter-family Comet          SPK-ID: 1003186
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456446.5 (2013-Jun-03.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2101546350167858 1.6541e-06  
a 4.403481920286665 4.6429e-07 au
q 3.478069784525806 7.5688e-06 au
i 6.745154074493029 3.9858e-05 deg
node 126.3067567773749 0.00037936 deg
peri 25.79541026990415 0.0012967 deg
M 86.0776712777683 0.00082995 deg
tp 2455639.486570915304
(2011-Mar-18.98657092)
0.0076968 TDB
period 3375.147470393124
9.24
0.0005338
1.461e-06
d
yr
n .1066620060776392 1.6869e-08 deg/d
Q 5.328894056047524 5.6186e-07 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      6537 days (17.90 yr)  
   first obs. used      2002-03-11  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .4556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-05 13:16:21  

Additional Information
 Earth MOID = 2.49081 au 
 Jupiter MOID = .0872459 au 
 T_jup = 2.968 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 16.5   0.6 7 2 parameter fit from 37 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 7 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2011.2   258P/2012 H1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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